CN104994516A - Base station planning and integration method for - Google Patents
Base station planning and integration method for Download PDFInfo
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- CN104994516A CN104994516A CN201510364050.2A CN201510364050A CN104994516A CN 104994516 A CN104994516 A CN 104994516A CN 201510364050 A CN201510364050 A CN 201510364050A CN 104994516 A CN104994516 A CN 104994516A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
Abstract
The invention discloses a base station planning and integration method. The method sequentially takes one service provider as a to-be-added service provider according to the distribution condition of base stations of all service providers in one region, and takes other service providers as the standby service providers for the service provider. According to the coverage radius of the service provider, a latent demand method is employed for judging whether a base station of the to-be-added service provider can be additionally provided with the standby service providers or not. The invention provides the base station planning and integration method, and the method is combined with the latent demand method and a station sharing method, thereby further solving a problem of excessive and leaked calculation caused by that a conventional co-construction and sharing planning method just depends on offset distance for judgment, and achieving the effects of improving the co-construction and sharing rate of mobile stations, and reducing the repeated construction of communication facilities.
Description
Technical field
The present invention relates to the base station construction in wireless communication field, particularly relate to a kind of base station site planning integration method.
Background technology
Present stage, steel tower company and Ge Jia operator all pay special attention to the Joint construction and sharing of base station, and the planning integration wherein for website is the prerequisite setting up Joint construction and sharing base station.The planning of website is integrated with the repeated construction being beneficial to and reducing base station and related infrastructure in telecommunications industry, improves trade investment efficiency, is conducive to reducing communications industry overall investment scale, saves capital expenditure.
The website of Duo Jia operator carries out moving, merging with regard to referring to by the Conformity planning of base station site, to solve addressing difficult problem, reduces the repeated construction of infrastructure simultaneously.Base station site planning mainly contains to be shared and two kinds of forms of building together: refer to that the auxiliary facility of certain operator's storage website has enough surpluses if share, the network equipment of other operators also can be installed to this website; Refer in the planning website of two Jia Huoduojia operators have some website distances very near, these websites can be considered to carry out unified planning construction, share a set of auxiliary facility if build together.
Now the main in the industry artificial comparison method of the individual engineering experience of simple dependence that uses carries out the planning of website Joint construction and sharing.The station integration planing method that each company uses in current industry is fairly simple, only provide fixing can offset distance, as long as the distance of two base stations be no more than this can offset distance, just think that these two base stations can Joint construction and sharing.This method has obvious shortcoming and leak, can not ensure the reasonability of Bus stop planning, often occurs the situation of many calculations and omission.
Urban district scene as shown in Figure 1, A, C are mobile site, and B is UNICOM's website, and A is the website needing to integrate.Suppose that given can offset distance be 100m, according to existing method, stop spacing between A, B is 95m, then meet merging condition, but in actual conditions, B, C website distance only has 250m, if A and B is merged, may occur that some disturb between those two mobile sites, so single dependence can determine that website merging is irrational by offset distance, exist and calculate problem more.
Rural area scene as shown in Figure 2, A, B, C are the mobile sites of storage, and D is the UNICOM's website needing to integrate, and suppose that given can offset distance be 500m, according to existing method, the stop spacing between A, D is 550m, does not satisfy condition.But in a practical situation, if the coverage goal of A website is between A, D, if share on D by A, also can not has influence on B, C website, there is omission problem.
Summary of the invention
In view of this, in order to overcome the single dependence of existing Joint construction and sharing planing method can offset distance judge existing for many calculations and omission problem, the invention provides a kind of base station site planning integration method, reach the effect improving mobile site Joint construction and sharing rate, reduce the repeated construction of communications facility.
In order to solve the single dependence of existing Joint construction and sharing planing method can offset distance judge existing for many calculations and omission problem, base station site of the present invention planning integration method comprises the following steps:
Input website distributed intelligence and the search factor of a certain region Nei Duojia operator base station, successively with the operator in this Duo Jia operator for Dai Zeng operator, all the other operators are alternative operator;
Base station in this Dai Zeng operator increases base station for waiting, one waits to increase base station, judge that this waits to increase the pre-increasing website whether base station is an alternative operator for this;
This judge successively need to be increased that institute in operator needs to increase base station whether is increase website in advance to obtain waiting that increasing base station shares planning table.
Wherein, judge that pre-increasing website is potential demand method, this potential demand method comprises the following steps:
Wait to increase base station in a Dai Zeng operator, determine that this waits to increase the nearest same operator base station stop spacing of base station, each selection alternative operator, determine that this waits to increase the nearest different operator stop spacing of base station;
Calculate this to wait to increase the minimum vertex-covering radius of base station, utilize this minimum vertex-covering radius and this search factor to calculate search radius that this waits to increase base station;
This nearest different operator stop spacing is utilized to calculate pre-increasing website covering radius, judge whether potential demand first Rule of judgment is set up, if potential demand first Rule of judgment is set up, then this waits to increase the pre-increasing website of base station site as selected alternative operator, and this potential demand first Rule of judgment is that search radius is less than or equal to pre-increasing website covering radius.
Further, in order to the omission preventing part from can increase website, this potential demand method is further comprising the steps of:
If this potential demand first Rule of judgment is false, find out the nearest same operator base station of this nearest different operator base station and determine the nearest same operator stop spacing of nearest different operator base station, utilize the nearest same operator stop spacing of this nearest different operator base station to calculate and check covering radius, recycle this and check covering radius and search factor and calculate and check value;
Judge whether potential demand second Rule of judgment is set up, if potential demand second Rule of judgment is set up, then this treats the pre-increasing website of website as selected alternative operator of increasing base station, and this potential demand second Rule of judgment is less than or equal to pre-increasing website covering radius for checking value.
Wherein, this base station site distributed intelligence comprises: the name of station of base station, class of standing, longitude and latitude.
Further, the invention allows for another kind of base station site planning integration method, it is characterized in that, specifically comprise the following steps:
Input the base station site distributed intelligence of a region Nei Duojia operator, co-sited degree thresholding and search factor, successively with the operator in this Duo Jia operator for Dai Zeng operator, all the other operators are then alternative operator;
Base station in operator to be combined is base station to be combined, and with an operator to be combined for Dai Zeng operator, the base station in this Dai Zeng operator increases base station for waiting, judges that whether this base station to be combined is the pre-increasing website of an alternative operator according to above-mentioned potential demand method;
For this base station to be combined, the base station that in alternative operator, base station to be combined exists co-sited relation with this is alternative merging base station, for this base station to be combined, finds out all alternative merging base station of this base station to be combined;
Judge that institute needs to be increased in operator to need to increase whether base station is increase website outputting base station in advance to share planning table;
Find out the co-sited relation outputting base station Joint construction and sharing planning table that the alternative merging base station of all base stations to be combined in all operators to be combined obtains between this Zhong Renliangjia operator of Duo Jia operator.
Wherein, judging that co-sited is closed is co-sited degree method, and this co-sited degree method comprises the following steps:
For the base station to be combined in an operator to be combined, according to the covering radius of co-sited degree thresholding and this base station to be combined calculate this base station site to be combined can offset distance;
Each selection alternative operator, finds out different operator base station nearest with this base station distance to be combined in this alternative operator, and the distance between this base station to be combined and this different operator base station is designated as nearest different operator stop spacing;
Judging whether co-sited degree first Rule of judgment is set up, there is co-sited relation in the nearest different operator base station of setting up in then this base station to be combined and this alternative operator, this co-sited degree first Rule of judgment be nearest different operator stop spacing be less than or equal to this can offset distance.
Wherein, the covering radius of a base station to be combined is 2/3 of this base station to be combined average stop spacing, and this average stop spacing refers to:
If this base station to be combined time be closely less than recently with 2 times of operator's stop spacing with operator's stop spacing, then this average stop spacing be this time near with operator's stop spacing and this is recently with the mean value of operator's stop spacing;
If the secondary of this base station to be combined is closely more than or equal to recently with 2 times of operator's stop spacing with operator's stop spacing, then this average stop spacing is recently with operator's stop spacing.
Further, this co-sited degree method is further comprising the steps of:
If this co-sited degree first Rule of judgment is false, and the secondary of this base station to be combined is closely more than or equal to recently with 2 times of operator's stop spacing with operator's stop spacing, then judge whether co-sited degree second Rule of judgment is set up, setting up nearest different operator base station in then this base station to be combined and this alternative operator can co-sited, and this co-sited degree second Rule of judgment is:
y≥2x,a≤45°,w≥0.75*x,z≤y-x,z≤1.5km
In formula, x is the nearest same operator stop spacing of base station to be combined, y is the secondary near with operator's stop spacing of base station to be combined, a be base station to be combined nearest same operator base station to the vector of this base station to be combined and base station to be combined nearest same operator base station to nearest different operator base station vector between angle, w is the distance between the nearest same operator base station of nearest different operator base station and base station to be combined, and z is the distance between base station to be combined and nearest different operator base station.
Further, in order to prevent omitting, this co-sited degree method is further comprising the steps of: if this co-sited degree first Rule of judgment is false, and the secondary of this base station to be combined is closely less than recently with 2 times of operator's stop spacing with operator's stop spacing, then judge whether co-sited degree the 3rd Rule of judgment is set up, setting up nearest different operator base station in then this base station to be combined and this alternative operator can co-sited, and this co-sited degree the 3rd Rule of judgment is:
x＜y＜2x,z≤x,z≤1km,m≥0.75x,n≥0.75x,l≥0.75x,s≥0.75x,∠β≥(90°-0.5θ),∠γ≥(90°-0.5θ)
In formula, x is the nearest same operator stop spacing of base station to be combined, y is the secondary near with operator's stop spacing of base station to be combined, z is the distance between base station to be combined and nearest different operator base station, m is the distance between the nearest same operator base station of nearest different operator base station and base station to be combined, n is the time near with the distance between operator base station of nearest different operator base station and base station to be combined, l, s is respectively base station to be combined and is positioned at the nearest same operator stop spacing at base station site place of nearest different operator with secondary near with operator's stop spacing, β is base station to be combined to recently with the vector between operator base station and the vector angle between the vector between base station to be combined to nearest different operator base station, γ is that base station to be combined is to secondary near with the vector between operator base station and the vector angle between the vector between base station to be combined to nearest different operator base station, θ be base station to be combined to recently with the vector between operator base station and base station to be combined to time closely with the vector angle between the vector between operator base station.
Further, the method also comprises step: after getting the co-sited relation between this Ren Liangjia operator of Duo Jia operator, for the base station to be combined in an operator to be combined, carry out prioritization to its all alternative merging base station, the alternative merging base station priorities nearest apart from this base station to be combined is higher.
Compared with prior art, advantage of the present invention is: ensureing under the prerequisite that network configuration is not destroyed, rationally effective lifting Joint construction and sharing rate, and can under the condition of existing network, the website demand that rationally effective search is potential, reduces the repeated construction of communications facility.Operators distribution situation for multiple province carries out simulated experiment, the potential demand that potential demand Joint construction and sharing planing method is found out, and than the potential demand many more than 30% that traditional artificial contrast's method draws, reasonability can reach 95% simultaneously; The identical rate of the result that co-sited degree Joint construction and sharing planing method and traditional artificial comparison method draw is more than 90%, and co-sited degree method can find out the part of omitting in Traditional Man control methods, and remove irrational part in Traditional Man control methods, relative to traditional artificial comparison method, more rationally, reliably, fast.Base station site is planned has unrivaled advantage integration method is operating efficiency, and the method is carried out Computer Simulation, and the contrast of Traditional Man comparison method, and operating efficiency can improve 20-30 doubly; And along with the increase of workload, the operating efficiency of this planing method can further improve.
Accompanying drawing explanation
Fig. 1 is the base station distribution schematic diagram of the first omission situation of existing planing method;
Fig. 2 is the base station distribution schematic diagram that existing planing method the second omits situation;
Fig. 3 is the basic flow sheet of a kind of base station site planning integration method;
Fig. 4 is the base station network distribution schematic diagram of potential demand method application;
Fig. 5 is the base station network distribution schematic diagram of the potential demand method application improved;
Fig. 6 is that potential demand method determines that in a certain Dai Zeng operator, a certain waiting increases the detail flowchart whether base station can be used as the pre-increasing website of a certain alternative operator;
Fig. 7 is the basic flow sheet of another kind of base station site planning integration method;
Fig. 8 is the base station distribution schematic diagram of co-sited degree method application scenarios one;
Fig. 9 is that co-sited degree method determines the detail flowchart of a certain operator to be combined co-sited relation of a certain alternative operator with it for application scenarios one;
Figure 10 is the base station distribution schematic diagram of co-sited degree method application scenarios two;
The schematic network structure of Figure 11 belonging to application scenarios in Figure 10 two;
Figure 12 is that co-sited degree method determines the detail flowchart of a certain operator to be combined co-sited relation of a certain alternative operator with it for application scenarios two;
Figure 13 is the base station distribution schematic diagram of co-sited degree method application scenarios three;
Figure 14 is the detail flowchart that co-sited degree method application scenarios three determines a certain operator to be combined co-sited relation of a certain alternative operator with it.
Embodiment
Below in conjunction with embodiment, the present invention is further described.
Base station site planning integration method in Fig. 3, for three operators that certain region coexists, comprises the following steps:
Input the base station site distribution situation of all operators in this region, comprising: the base station site information of the operators such as the name of station of operator, class of standing, longitude, latitude;
Input the search factor of all base station sites;
Operator is carried out descending according to site density, be arranged as first, second, the third, successively with a certain operator for Dai Zeng operator, all the other operators are then the alternative operator of this Dai Zeng operator, namely, when operator's first is Dai Zeng operator, operator's second, third is alternative operator; When second is Dai Zeng operator, operator first, the third is alternative operator; When operator third is Dai Zeng operator, operator's first, second is alternative operator;
The base station of Dai Zeng operator is called and waits to increase base station, for operator's first, whether its each base station can as the pre-increasing website of operator's second to utilize potential demand method first to determine, determine whether each base station can as the pre-increasing website of operator third again, the like, determine one by one operator to be combined second, third each base station whether as the pre-increasing website of its any alternative operator, more all co-sited results can be integrated, draw final potential demand suggestion output table.
In Fig. 4, A, B are mobile site, C, D are UNICOM's website, using mobile as Dai Zeng operator, using UNICOM as alternative operator, increase base station A for waiting, it is respectively recently with operator stop spacing x and nearest different operator stop spacing y with the spacing recently with operator base station B and nearest different operator base station C.
As y>=x, then think the website that can increase UNICOM at A base station site place;
As y<x, then carry out secondary accounting, namely the nearest UNICOM base station of UNICOM base station C is D, base station C and its be z with the stop spacing of operator base station D recently, if y>=z, then also can consider the website increasing UNICOM at A place.
Namely be based on the nearest same operator stop spacing of a certain Dai Zeng operator, retrieve the covering cavity whether this scope is alternative operator, if the website increasing alternative operator base station at this base station site place of operator just can be thought.If not, then based on the nearest same operator stop spacing of alternative operator, retrieve the covering cavity whether this scope is alternative operator, if then also can advise increasing website.
Generally speaking, the central idea of the method is exactly calculate with this covering cavity judged in carrier network, carrys out the increase of suggestion website according to the structure covering cavity.
In order to reduce in theory with the deviation in Practical Calculation, improve Joint construction and sharing rate, propose the concept of search factor.
Rule of judgment in Fig. 4, can obtain optimal result under the much the same prerequisite of the covering radius between each operator.In a practical situation, due to the standard of each operator and being not quite similar of channel, coverage is also different.The GSM frequency range of such as UNICOM is 900M, and the GSM channel of telecommunications is 800M.The difference of frequency range, coverage is also different.So, can not be simple telecommunications be advised with the cavity that the network configuration of UNICOM is found out.In such cases, be greater than the search factor of 1 if select, then the covering cavity found out in the calculation can become large, namely only can under the condition finding out larger covering cavity just suggestion increase telecommunication station.
In practical application, in planning process, if desired improve Joint construction and sharing rate, the value of search factor can be reduced.Like this, website can be increased when covering cavity and being less, be conducive to the station integration of three operators.In order to the computation complexity and sequencing that reduce planing method realize, search factor n can be set to the ratio of the covering radius of covering radius operator alternative with it base station of operator to be shared, in Fig. 4, be equivalent to the situation of search factor n=1.
In Fig. 5, A, B are mobile site, and C, D are UNICOM's website.Using mobile as Dai Zeng operator, using UNICOM as alternative operator, increase base station A for waiting, it is respectively x, y with the spacing recently with operator base station B and nearest different operator base station C.
As y>=nx, then think and waiting to increase the website that A place, base station can increase UNICOM.
As y<nx, then carry out secondary accounting, namely the nearest same operator base station of alternative operator base station C is the stop spacing between D, C and D is z, if y>=nz, then also can consider waiting to increase the website that A place, base station increases UNICOM.
Utilize potential demand algorithm, under the prerequisite not affecting network configuration, rational potential suggestion can be proposed.By secondary accounting mechanism, consider the network coverage of Duo Jia operator, and in conjunction with search factor, under rational prerequisite, as often as possible improve Joint construction and sharing rate.
In Fig. 6, with operator's first for Dai Zeng operator, utilize potential demand method to determine whether a certain of a certain Dai Zeng operator waits to increase base station can as the pre-increasing website of a certain alternative operator, and the method specifically comprises the following steps using operator's second as its alternative operator introduction:
Pre-set the search factor n of each base station of all operators;
Base station A is increased for a certain the waiting in a certain operator to be combined first, find out the nearest same operator base station B of this base station A to be combined, the distance of A, B two between base station is designated as recently with operator stop spacing x, each selection alternative operator, this figure is for operator's second, find out the nearest different operator base station C that this waits to increase base station A, this is waited the distance increased between base station A and nearest different operator base station C is designated as nearest different operator stop spacing y;
Calculate the minimum vertex-covering radius that this waits to increase base station A, this minimum vertex-covering radius=recently with operator stop spacing x/1.5, recycles search radius=minimum vertex-covering radius * search factor n that this minimum vertex-covering radius waiting to increase base station A and search factor n calculate this base station to be combined;
Recycle nearest different operator stop spacing y and calculate increasing website covering radius in advance, the pre-covering radius=y/1.5 increasing website, if search radius is less than or equal to pre-increasing website covering radius, then this treats that increasing base station site can be used as the pre-increasing website of selected alternative operator;
If search radius is greater than pre-increasing website covering radius, then find out the nearest same operator base station D with nearest different operator base station C in selected alternative operator second and determine recently with operator stop spacing z, utilize the nearest same operator stop spacing z of this nearest different operator base station C to calculate and check covering radius, recycling checks covering radius and value is checked in search factor n calculating, checks value=z/1.5;
If check value to be less than or equal to pre-increasing website covering radius, then this base station site A to be combined can be used as the pre-increasing website of selected alternative operator second;
If last website in this website Bu Shidaizeng operator, then utilize above-mentioned steps to carry out the next one and wait to increase the judgement of base station site.
In planning process, carry out judging whether existing base station can as the pre-increasing website of other operators based on potential demand method, find out each operator's pent-up demand, if increase co-sited degree method on this basis, base station site between existing different operators is merged, then can save base station construction expense further, on the basis of base station site planning integration method, therefore increase co-sited degree method form another kind of base station site planning integration method.
Base station site planning integration method in Fig. 7, composition graphs 3, comprises the following steps:
Input the base station site distribution situation of all operators in this region, comprising: the base station site information of the operators such as the name of station of operator, class of standing, longitude, latitude;
Input search factor and the co-sited degree thresholding of any base station site;
Operator is carried out descending according to site density, be arranged as first, second, third, be operator to be combined with a certain operator successively, the base station of operator to be combined is referred to as base station to be combined, all the other operators are then the alternative operator of this operator to be combined, and the base station can carrying out co-sited merging in alternative operator with base station to be combined is referred to as the alternative merging base station of this base station to be combined;
For first operator, using this operator to be combined as Dai Zeng operator, whether the base station site of operator's first as the pre-increasing website of second operator base station, can obtain the shared planning table of base station first to utilize potential demand method to carry out judging; And then whether whether certain base station of operator's first can be able to merge with nearest different operator base station in second, obtains the website co-sited recommendation form of base station to utilize co-sited degree method to judge;
The like, finally obtain the Joint construction and sharing planning table after integrating.
When co-sited degree and potential demand methods combining, can for each base station in operator's first, first judge that this base station whether can as the pre-increasing website of second operator base station, then carry out the co-sited relation that co-sited degree method judges between itself and second operator; Whether each base station that also can first get in operator's first as the pre-increasing website of operator's second, and then can travel through each base station in first, judges the co-sited relation between itself and second operator base station; Also can be first utilize potential demand method all to travel through operator's first, second, third to judge whether any base station in any operator as the pre-increasing website of other two alternative operators, then can judge the co-sited relation between all operators afterwards; Combinations thereof relation can adjust according to actual needs, is not limited to combinations thereof relation.
After the above-mentioned co-sited relation determined respectively between each operator to be combined and its each alternative operator, the alternative merging base station that some base stations to be combined exist at least two kinds may be there is, now can for this base station, prioritization is carried out in its all alternative merging base station, and the alternative merging base station priorities nearest apart from this base station to be combined is higher.
Above-mentioned co-sited degree is defined as: the co-sited offset distance of the network coverage radius/base station of co-sited degree=base station, when the co-sited degree of base station is more than or equal to co-sited degree thresholding, illustrate that the actual shifts distance of base station is less than or equal to permission offset distance, now, the movement of base station can not have an impact to network configuration.
The offset distance of base station is the newly-built base station of brainchild distance relative to site excursion before sharing after sharing.
The computing formula of base station coverage radius is: covering radius=(near with operator's stop spacing with operator's stop spacing+secondary recently)/2/1.5.According to the local feature of network, the mean value of nearest stop spacing and time nearly stop spacing can think the average stop spacing of this website local in its network configuration, according to wireless theory, and the covering radius that stop spacing equals 1.5 times, and then the covering radius drawing base station.
For the mobile operator in domestic three large operators and operator of UNICOM, to above-mentioned for judging that the co-sited degree method of co-sited relation between operator is between two introduced.
A in Fig. 8, B, C is the base station site of mobile operator, D is the base station site of operator of UNICOM, operator's first in mobile mobile operator corresponding diagram 7 herein, with mobile for operator to be combined, operator's second in operator of UNICOM corresponding diagram 7, base station site A is base station to be combined, B, C is respectively the nearest same operator base station of base station A with secondary near with operator base station, A, distance between B is recently with operator stop spacing x, A, distance between C is secondary near with operator stop spacing y, d is the covering radius of base station site A, d=(x+y)/2/1.5 can be obtained according to the computing formula of above-mentioned covering radius, z is the offset distance that base station site A shares on nearest different operator base station site D, d/z is exactly the co-sited degree of base station site A, if its value is more than or equal to the co-sited degree thresholding of setting, think that website A can Joint construction and sharing go to website D, above-mentioned mentioned is secondary near with operator stop spacing x, all can be calculated by the longitude of website and latitude to the offset distance z of its nearest different operator base station site D with operator stop spacing y and base station site A recently.
Theoretical and the practical experience according to honeycomb, the distribution of General Requirements base station site should be less than 1/4 of station spacing with the deviation of standard cellular structure, so co-sited degree thresholding acquiescence gets 4.In actual applications, according to the difference of actual conditions, the size of co-sited degree thresholding can adjust.Co-sited degree thresholding is larger, represents relative to Exist Network Structure, and base station drift to be combined is less, in reality can the possibility of co-sited larger; Co-sited degree thresholding is less, represents relative to Exist Network Structure, and base station drift to be combined is larger, in reality can the possibility of co-sited less.
In order to ensure in rural area or cities and towns scene, in the incomplete regular situation of network configuration, the reasonability of the covering radius drawn, when secondary nearly stop spacing is more than or equal to the twice of nearest stop spacing, according to theory of network structure, secondary nearly website and this base station do not form a regular network, substantially can not impact the covering of this base station.Now, above-mentioned can be recently the average stop spacing of network with operator's stop spacing.
For the network distribution situation in Fig. 8, the method for a certain alternative operator second co-sited relation with it in a certain operator to be combined first comprises to utilize co-sited degree method to determine in Fig. 9:
For a certain base station A to be combined, import site information and the co-sited degree thresholding of this base station;
Find out the nearest same operator base station B of this base station A to be combined with secondary near with operator base station C and nearest different operator base station site D;
Utilize recently with operator stop spacing AB and time closely with operator stop spacing AC calculate average stop spacing from;
Utilize this average stop spacing can offset distance from calculating with co-sited degree thresholding;
Judgement can magnitude relationship between offset distance and nearest different operator stop spacing AD, if nearest different operator stop spacing AD can be greater than or equal to by offset distance, then base station A can be merged on nearest different operator base station D, otherwise the co-sited relation of carrying out next base station to be combined judges;
Until judged the co-sited relation in the first of current base station to be combined between all base stations to be combined and alternative operator second.
Co-sited degree determination methods in Fig. 9 may be used for judging the co-sited relation between Fig. 7 Zhong Meiliangge operator.
In Figure 10, A, B, C are mobile site, and D is UNICOM's website, with mobile for operator to be combined, in this radio honeycomb structure, are time nearly twices being greater than the nearest same operator stop spacing x between base station A, B with operator stop spacing y between A, C.From the network configuration shown in Figure 11, when secondary be closely recently with operator's stop spacing 2 times with operator's stop spacing time, for the A of base station, be the website of two levels in network configuration with operator base station B and C.Base station site B is close to website A, forms network with A, and base station C and A is comparatively far away, and middle across one deck, C and A can not form effective network configuration.Scene two in Figure 10, mainly for this kind of situation, is improved the method in Fig. 8 scene one, to improve Joint construction and sharing rate.
Because base station A to be combined only with recently forms network with operator base station B, angle excursion before and after mobile should within a quadrant angle, namely total excursion of angle is within 90 °, so should be 45 ° to the peak excursion angle in a direction, namely base station A to be combined is to it recently with vector angle a=∠ ABD≤45 ° vectorial between vector and base station A to be combined to its nearest different operator base station D between operator base station B.Due under this condition can deviation angle less, angle is relatively little on covering the impact of former target.
/ 4th of its stop spacing can should be not more than by offset distance, so after moving to nearest different operator base station D, 75% of original distance can not be less than apart from the distance w of its nearest base station site B according to honeycomb and theoretical the maximum of base station of wireless network.
If the offset distance z of website is greater than its former time closely with operator stop spacing y with recently with the difference of operator stop spacing x, then distance may change greatly for former coverage goal after movement.In order to maintain the stable of network configuration, reaching the coverage requirement of operator, ensureing the reasonability of Output rusults, the difference of the two being set to the upper limit of base station movement distance.
In the middle of the network of reality, through measuring and calculating, the maximum in-door covering distance of Ge Jia operator is approximately 3km.When displacement is greater than 1.5km, may cause covering former target.According to engineering experience, the offset distance upper limit of website can be set to 1.5km, to sum up, the merging Rule of judgment of scene two is: concerning base station A to be combined, closely the twice with the stop spacing x of nearest same operator base station B is greater than, if now meet the following conditions with the stop spacing y of operator base station C with secondary:
y≥2x,a≤45°,w≥0.75*x,z≤y-x,z≤1.5km
Then mobile site A Joint construction and sharing can be gone on its nearest different operator base station and UNICOM website D.
For the network distribution situation in Figure 10, the method for a certain alternative operator second co-sited relation with it in a certain operator to be combined first comprises to utilize co-sited degree method to determine in Figure 12:
For a certain base station A to be combined, import site information and the co-sited degree thresholding of this base station;
Find out the nearest same operator base station B of this base station A to be combined with secondary near with operator base station C and nearest different operator base station site D;
Utilize recently with operator stop spacing AB and time closely with operator stop spacing AC calculate average stop spacing from;
Utilize this average stop spacing can offset distance from calculating with co-sited degree thresholding;
Judgement can magnitude relationship between offset distance and nearest different operator stop spacing AD, if can be greater than or equal to nearest different operator stop spacing AD by offset distance, then base station A can be merged on nearest different operator base station D; Otherwise,
Whether judgement time is closely more than or equal to recently with the twice of operator stop spacing AB with operator stop spacing AC, calculate vector angle a vectorial between vector and the nearest same operator base station B to its nearest different operator base station D of this base station A to be combined between the nearest same operator base station B to this base station A to be combined of base station A to be combined, after A moves to D, apart from the distance w of the nearest base station site B of base station A to be combined;
Judge whether the co-sited degree Rule of judgment in above-mentioned scene two is set up, set up and then think that AD can merge; Otherwise,
The co-sited relation of carrying out next base station to be combined judges;
Until judged the co-sited relation in the first of current base station to be combined between all base stations to be combined and alternative operator second.
Co-sited degree determination methods in Figure 12 may be used for judging the co-sited relation between Fig. 7 Zhong Meiliangge operator.
Scene in fig. 13 three times, A, B, C, E, F are mobile base station website, D is from the nearest UNICOM's website of base station A, with mobile for operator to be combined, base station A is base station to be combined, B, C are respectively recently with operator base station and secondary near with operator base station, and D is nearest different operator base station, and E, F are respectively base station A and move to the nearest base station of nearest same operator at D website place, base station of nearest different operator and secondary nearly base station.For base station site A, it is closely greater than twice recently with the condition of operator stop spacing x with operator stop spacing y satisfied time, does not also meet the condition that co-sited degree is 4.But under actual conditions, A can consider that moving to nearest different operator base station D gets on.In order to avoid these situations of omission, the present invention is directed to the situation of scene three, method in scene one is improved, belong to secondary in scene two and be closely more than or equal to twice recently with the situation of operator's stop spacing with operator's stop spacing, this scene then belongs to secondary and is closely less than twice recently with the situation of operator's stop spacing with operator's stop spacing, enrich whole planing method system, improve Joint construction and sharing rate.
For scene two, the network configuration under this condition is comparatively stable, and the distance that base station A offsets is less.According to engineering experience, the upper limit is in the case set to 1km.
If the offset distance z of website A is greater than its original nearest same operator stop spacing x, then can cause covering original coverage goal.In order to maintain the stable of network configuration, reaching the coverage requirement of operator, ensureing the reasonability of Output rusults.Nearest stop spacing is set to the upper limit of base station movement distance.
/ 4th of its stop spacing can should be not more than by offset distance according to honeycomb and theoretical the maximum of base station of wireless network, so after mobile, distance m between nearest different operator base station D and the nearest same operator base station B of base station A to be combined, nearest different operator base station D's and base station A to be combined is secondary near with the distance n between operator base station C, base station A to be combined is positioned at the nearest same operator stop spacing l at D website place, base station of nearest different operator with secondary near with operator stop spacing s, all can not be less than 75% of former nearest stop spacing x.
For operator to be combined base station A, A with recently with comparatively stable in operation base station B, the secondary nearly network configuration formed with operation base station C two websites, base station A can not move to the direction of B, C two base station sites.So A website can only in the opposite direction, and two namely contrary quadrants move.Because the mobile range under this condition is shorter, angle is relatively little on the impact covering former target.
To sum up, the theoretical and experience according to wireless planning, when operator to be combined base station A meets the following conditions, A can co-sited go to nearest different operator base station D:
x＜y＜2x,z≤x,z≤1km,m≥0.75x,n≥0.75x,l≥0.75x,s≥0.75x,∠β≥(90°-0.5θ),∠γ≥(90°-0.5θ)
In formula, β is base station A to be combined to recently with the vector between operator base station B and the vector angle between the vector between base station A to be combined to nearest different operator base station D, γ is base station A to be combined to time near with the vector between operator base station C and the vector angle between the vector between base station A to be combined to nearest different operator base station D, θ be base station A to be combined to recently with the vector between operator base station A and base station A to be combined to secondary closely with the vector angle between the vector between operator base station C.
Network distribution situation in composition graphs 8, Figure 10 and Figure 13, co-sited degree method is utilized to determine in a certain operator to be combined first a certain alternative operator second co-sited relation with it in Figure 14, operator's first in the corresponding Figure 14 of mobile operator in Fig. 8, Figure 10 and Figure 13 is operator to be combined, operator's second in the corresponding Figure 14 of operator of UNICOM, the method comprises:
Import all base station site information of operator's first, comprising: the name of station of operator, class of standing, the longitude of all base stations, latitude;
Import the co-sited degree thresholding preset;
Find out the nearest same operator base station B of this base station A to be combined with secondary near with operator base station C and nearest different operator base station site D;
Utilize recently with operator stop spacing AB and time closely with operator stop spacing AC calculate average stop spacing from;
Can offset distance if nearest different operator stop spacing is less than or equal to this, A, D two base station can merge (scene one in Fig. 4), be alternative merging base station by this different operator base station note D; Otherwise,
Whether judgement time is closely more than or equal to recently with the twice of operator stop spacing AB with operator stop spacing AC, is judge whether the condition in scene two is set up; Otherwise,
Judge that scene three condition is set up, set up and then think that the base station A to be combined in operator's first and the nearest different operator base station D in operator's second can merge; Otherwise, judge the next one operator to be combined in operator's first.
According to the step that the co-sited relation of each base station to be combined of above-mentioned judgement and alternative operator second utilizes, travel through the base station all to be combined in operator to be combined first, in operator's second, find out its alternative operator, set up the co-sited relation of operator's first and operator's second.
Co-sited degree determination methods in Figure 14 may be used for judging the co-sited relation between Fig. 7 Zhong Meiliangge operator.
In the various embodiments of the invention, the Dai Zeng operator in potential demand algorithm, wait to increase website, and the operator to be combined in co-sited degree algorithm, website to be combined are identical.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned execution mode, within the scope of technical conceive of the present invention; can carry out multiple equivalents to technical scheme of the present invention, these equivalents all belong to protection scope of the present invention.
Claims (10)
1. a base station site planning integration method, is characterized in that, specifically comprise the following steps:
Input website distributed intelligence and the search factor of a region Nei Duojia operator base station, successively with the operator in this Duo Jia operator for Dai Zeng operator, all the other operators are alternative operator;
Base station in this Dai Zeng operator increases base station for waiting, for one this wait to increase base station, judge that this waits to increase the pre-increasing website whether base station is an alternative operator;
Whether judging institute to need to be increased institute in operator successively, to need to be increased base station be increase website in advance to export and wait that increasing base station shares planning table.
2. base station site planning integration method according to claim 1, is characterized in that, judge that this increases website in advance
For potential demand method, this potential demand method comprises the following steps:
Wait to increase base station in a Dai Zeng operator, determine that this waits to increase the nearest same operator base station stop spacing of base station, each selection alternative operator, determine that this waits to increase the nearest different operator stop spacing of base station;
Calculate this to wait to increase the minimum vertex-covering radius of base station, utilize this minimum vertex-covering radius and this search factor to calculate search radius that this waits to increase base station;
This nearest different operator stop spacing is utilized to calculate pre-increasing website covering radius, judge whether the first Rule of judgment of this potential demand method is set up, if potential demand first Rule of judgment of this potential demand method is set up, then this waits to increase the pre-increasing website of base station site as selected alternative operator, and this potential demand first Rule of judgment is that search radius is less than or equal to pre-increasing website covering radius.
3. base station site planning integration method according to claim 2, it is characterized in that, this potential demand method is further comprising the steps of:
If this potential demand first Rule of judgment is false, find out the nearest same operator base station of this nearest different operator base station and determine the nearest same operator stop spacing of nearest different operator base station, utilize the nearest same operator stop spacing of this nearest different operator base station to calculate and check covering radius, recycle this and check covering radius and search factor and calculate and check value;
Judge whether potential demand second Rule of judgment is set up, if potential demand second Rule of judgment is set up, then this treats the pre-increasing website of website as selected alternative operator of increasing base station, and this potential demand second Rule of judgment is less than or equal to pre-increasing website covering radius for checking value.
4. base station site planning integration method according to claim 1, it is characterized in that, this base station site distributed intelligence comprises: the name of station of base station, class of standing, longitude and latitude.
5. a base station site planning integration method, is characterized in that, specifically comprise the following steps:
Input the base station site distributed intelligence of a region Nei Duojia operator, co-sited degree thresholding and search factor, be operator to be combined with the operator in this Duo Jia operator successively, all the other operators are then alternative operator;
Base station in operator to be combined is base station to be combined, with an operator to be combined for Dai Zeng operator, base station in this Dai Zeng operator increases base station for waiting, the potential demand method according to Claims 2 or 3 judges that whether this base station to be combined is the pre-increasing website of an alternative operator;
For this base station to be combined, the base station that in alternative operator, base station to be combined exists co-sited relation with this is alternative merging base station, for this base station to be combined, finds out all alternative merging base station of this base station to be combined;
Judge that institute needs to be increased in operator to need to increase whether base station is increase website outputting base station in advance to share planning table;
Find out the co-sited relation outputting base station Joint construction and sharing planning table that the alternative merging base station of all base stations to be combined in all operators to be combined obtains between this Zhong Renliangjia operator of Duo Jia operator.
6. base station site planning integration method according to claim 5, is characterized in that, judging that co-sited is closed is co-sited degree method, and this co-sited degree method comprises the following steps:
For the base station to be combined in an operator to be combined, according to the covering radius of co-sited degree thresholding and this base station to be combined calculate this base station site to be combined can offset distance;
Each selection alternative operator, finds out different operator base station nearest with this base station distance to be combined in this alternative operator, and the distance between this base station to be combined and this different operator base station is designated as nearest different operator stop spacing;
Judging whether co-sited degree first Rule of judgment is set up, there is co-sited relation in the nearest different operator base station of setting up in then this base station to be combined and this alternative operator, this co-sited degree first Rule of judgment be nearest different operator stop spacing be less than or equal to this can offset distance.
7. base station site planning integration method according to claim 6, is characterized in that, a base station to be combined
Covering radius is 2/3 of this base station to be combined average stop spacing, and this average stop spacing refers to:
If this base station to be combined time be closely less than recently with 2 times of operator's stop spacing with operator's stop spacing, then this average stop spacing be this time near with operator's stop spacing and this is recently with the mean value of operator's stop spacing;
If the secondary of this base station to be combined is closely more than or equal to recently with 2 times of operator's stop spacing with operator's stop spacing, then this average stop spacing is recently with operator's stop spacing.
8. base station site planning integration method according to claim 7, it is characterized in that, this co-sited degree method is further comprising the steps of:
If this co-sited degree first Rule of judgment is false, and the secondary of this base station to be combined is closely more than or equal to recently with 2 times of operator's stop spacing with operator's stop spacing, then judge whether co-sited degree second Rule of judgment is set up, setting up nearest different operator base station in then this base station to be combined and this alternative operator can co-sited, and this co-sited degree second Rule of judgment is:
y≥2x,a≤45°,w≥0.75*x,z≤y-x,z≤1.5km
In formula, x is the nearest same operator stop spacing of base station to be combined, y is the secondary near with operator's stop spacing of base station to be combined, a be base station to be combined nearest same operator base station to the vector of this base station to be combined and base station to be combined nearest same operator base station to nearest different operator base station vector between angle, w is the distance between the nearest same operator base station of nearest different operator base station and base station to be combined, and z is the distance between base station to be combined and nearest different operator base station.
9. base station site planning integration method according to claim 8, it is characterized in that, this co-sited degree method is further comprising the steps of:
If this co-sited degree first Rule of judgment is false, and the secondary of this base station to be combined is closely less than recently with 2 times of operator's stop spacing with operator's stop spacing, then judge whether co-sited degree the 3rd Rule of judgment is set up, setting up nearest different operator base station in then this base station to be combined and this alternative operator can co-sited, and this co-sited degree the 3rd Rule of judgment is:
x＜y＜2x,z≤x,z≤1km,m≥0.75x,n≥0.75x,l≥0.75x,s≥0.75x,∠β≥(90°-0.5θ),∠γ≥(90°-0.5θ)
In formula, x is the nearest same operator stop spacing of base station to be combined, y is the secondary near with operator's stop spacing of base station to be combined, z is the distance between base station to be combined and nearest different operator base station, m is the distance between the nearest same operator base station of nearest different operator base station and base station to be combined, n is the time near with the distance between operator base station of nearest different operator base station and base station to be combined, l, s is respectively base station to be combined and is positioned at the nearest same operator stop spacing at base station site place of nearest different operator with secondary near with operator's stop spacing, β is base station to be combined to recently with the vector between operator base station and the vector angle between the vector between base station to be combined to nearest different operator base station, γ is that base station to be combined is to secondary near with the vector between operator base station and the vector angle between the vector between base station to be combined to nearest different operator base station, θ be base station to be combined to recently with the vector between operator base station and base station to be combined to time closely with the vector angle between the vector between operator base station.
10., according to the base station site planning integration method in claim 5 to 9 described in any one, it is characterized in that, the method also comprises step:
After getting the co-sited relation between this Ren Liangjia operator of Duo Jia operator, for the base station to be combined in an operator to be combined, carry out prioritization to its all alternative merging base station, the alternative merging base station priorities nearest apart from this base station to be combined is higher.
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